David Sills

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Environment Canada presentation at ICLR

  • What is a tornado?

  • How do tornadoes form?

  • How are tornadoes rated?

  • Where / when do tornadoes occur?

  • How does EC provide tornado alerts?

  • Are tornadoes in Canada increasing in frequency and/or intensity?


Cloud Physics and Severe Weather Research Section

Environment Canada, Toronto

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Creative Commons Attribution 4.0 License
This work is licensed under a Creative Commons Attribution 4.0 License.



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